20931237488

素因数分解:

$2^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1632

約数の個数: 160

約数和(自身を含む): 50429808000

約数和(自身を除く): 29498570512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 157, 196, 238, 272, 314, 343, 392, 476, 628, 686, 784, 833, 952, 1099, 1256, 1372, 1429, 1666, 1904, 2198, 2512, 2669, 2744, 2858, 3332, 4396, 5338, 5488, 5716, 5831, 6664, 7693, 8792, 10003, 10676, 11432, 11662, 13328, 15386, 17584, 18683, 20006, 21352, 22864, 23324, 24293, 30772, 37366, 40012, 42704, 46648, 48586, 53851, 61544, 70021, 74732, 80024, 93296, 97172, 107702, 123088, 130781, 140042, 149464, 160048, 170051, 194344, 215404, 224353, 261562, 280084, 298928, 340102, 388688, 430808, 448706, 490147, 523124, 560168, 680204, 861616, 897412, 915467, 980294, 1046248, 1120336, 1190357, 1360408, 1570471, 1794824, 1830934, 1960588, 2092496, 2380714, 2720816, 3140942, 3589648, 3661868, 3814001, 3921176, 4761428, 6281884, 7323736, 7628002, 7842352, 8332499, 9522856, 10993297, 12563768, 14647472, 15256004, 16664998, 19045712, 21986594, 25127536, 26698007, 30512008, 33329996, 43973188, 53396014, 61024016, 66659992, 76953079, 87946376, 106792028, 133319984, 153906158, 175892752, 186886049, 213584056, 307812316, 373772098, 427168112, 615624632, 747544196, 1231249264, 1308202343, 1495088392, 2616404686, 2990176784, 5232809372, 10465618744, 20931237488]

約数ペア:

[(1, 20931237488), (2, 10465618744), (4, 5232809372), (7, 2990176784), (8, 2616404686), (14, 1495088392), (16, 1308202343), (17, 1231249264), (28, 747544196), (34, 615624632), (49, 427168112), (56, 373772098), (68, 307812316), (98, 213584056), (112, 186886049), (119, 175892752), (136, 153906158), (157, 133319984), (196, 106792028), (238, 87946376), (272, 76953079), (314, 66659992), (343, 61024016), (392, 53396014), (476, 43973188), (628, 33329996), (686, 30512008), (784, 26698007), (833, 25127536), (952, 21986594), (1099, 19045712), (1256, 16664998), (1372, 15256004), (1429, 14647472), (1666, 12563768), (1904, 10993297), (2198, 9522856), (2512, 8332499), (2669, 7842352), (2744, 7628002), (2858, 7323736), (3332, 6281884), (4396, 4761428), (5338, 3921176), (5488, 3814001), (5716, 3661868), (5831, 3589648), (6664, 3140942), (7693, 2720816), (8792, 2380714), (10003, 2092496), (10676, 1960588), (11432, 1830934), (11662, 1794824), (13328, 1570471), (15386, 1360408), (17584, 1190357), (18683, 1120336), (20006, 1046248), (21352, 980294), (22864, 915467), (23324, 897412), (24293, 861616), (30772, 680204), (37366, 560168), (40012, 523124), (42704, 490147), (46648, 448706), (48586, 430808), (53851, 388688), (61544, 340102), (70021, 298928), (74732, 280084), (80024, 261562), (93296, 224353), (97172, 215404), (107702, 194344), (123088, 170051), (130781, 160048), (140042, 149464)]