20935469072

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:637

約数の個数: 160

約数和(自身を含む): 48723738624

約数和(自身を除く): 27788269552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 101, 112, 124, 202, 217, 227, 248, 263, 404, 434, 454, 496, 526, 707, 808, 868, 908, 1052, 1414, 1589, 1616, 1736, 1816, 1841, 2104, 2828, 3131, 3178, 3472, 3632, 3682, 4208, 5656, 6262, 6356, 7037, 7364, 8153, 11312, 12524, 12712, 14074, 14728, 16306, 21917, 22927, 25048, 25424, 26563, 28148, 29456, 32612, 43834, 45854, 49259, 50096, 53126, 56296, 57071, 59701, 65224, 87668, 91708, 98518, 106252, 112592, 114142, 119402, 130448, 160489, 175336, 183416, 185941, 197036, 212504, 228284, 238804, 320978, 350672, 366832, 371882, 394072, 417907, 425008, 456568, 477608, 641956, 710737, 743764, 788144, 823453, 835814, 913136, 955216, 1283912, 1421474, 1487528, 1646906, 1671628, 1850731, 2567824, 2842948, 2975056, 3293812, 3343256, 3701462, 4975159, 5685896, 5764171, 6029801, 6587624, 6686512, 7402924, 9950318, 11371792, 11528342, 12059602, 12955117, 13175248, 14805848, 19900636, 23056684, 24119204, 25910234, 29611696, 39801272, 42208607, 46113368, 48238408, 51820468, 79602544, 84417214, 92226736, 96476816, 103640936, 168834428, 186923831, 207281872, 337668856, 373847662, 675337712, 747695324, 1308466817, 1495390648, 2616933634, 2990781296, 5233867268, 10467734536, 20935469072]

約数ペア:

[(1, 20935469072), (2, 10467734536), (4, 5233867268), (7, 2990781296), (8, 2616933634), (14, 1495390648), (16, 1308466817), (28, 747695324), (31, 675337712), (56, 373847662), (62, 337668856), (101, 207281872), (112, 186923831), (124, 168834428), (202, 103640936), (217, 96476816), (227, 92226736), (248, 84417214), (263, 79602544), (404, 51820468), (434, 48238408), (454, 46113368), (496, 42208607), (526, 39801272), (707, 29611696), (808, 25910234), (868, 24119204), (908, 23056684), (1052, 19900636), (1414, 14805848), (1589, 13175248), (1616, 12955117), (1736, 12059602), (1816, 11528342), (1841, 11371792), (2104, 9950318), (2828, 7402924), (3131, 6686512), (3178, 6587624), (3472, 6029801), (3632, 5764171), (3682, 5685896), (4208, 4975159), (5656, 3701462), (6262, 3343256), (6356, 3293812), (7037, 2975056), (7364, 2842948), (8153, 2567824), (11312, 1850731), (12524, 1671628), (12712, 1646906), (14074, 1487528), (14728, 1421474), (16306, 1283912), (21917, 955216), (22927, 913136), (25048, 835814), (25424, 823453), (26563, 788144), (28148, 743764), (29456, 710737), (32612, 641956), (43834, 477608), (45854, 456568), (49259, 425008), (50096, 417907), (53126, 394072), (56296, 371882), (57071, 366832), (59701, 350672), (65224, 320978), (87668, 238804), (91708, 228284), (98518, 212504), (106252, 197036), (112592, 185941), (114142, 183416), (119402, 175336), (130448, 160489)]