20723138568

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1\times {\mathrm{5519}}^1$

素因数の和:5984

約数の個数: 144

約数和(自身を含む): 61845638400

約数和(自身を除く): 41122499832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 431, 484, 726, 792, 862, 968, 1089, 1293, 1452, 1724, 2178, 2586, 2904, 3448, 3879, 4356, 4741, 5172, 5519, 7758, 8712, 9482, 10344, 11038, 14223, 15516, 16557, 18964, 22076, 28446, 31032, 33114, 37928, 42669, 44152, 49671, 52151, 56892, 60709, 66228, 85338, 99342, 104302, 113784, 121418, 132456, 156453, 170676, 182127, 198684, 208604, 242836, 312906, 341352, 364254, 397368, 417208, 469359, 485672, 546381, 625812, 667799, 728508, 938718, 1092762, 1251624, 1335598, 1457016, 1877436, 2003397, 2185524, 2378689, 2671196, 3754872, 4006794, 4371048, 4757378, 5342392, 6010191, 7136067, 8013588, 9514756, 12020382, 14272134, 16027176, 19029512, 21408201, 24040764, 26165579, 28544268, 42816402, 48081528, 52331158, 57088536, 78496737, 85632804, 104662316, 156993474, 171265608, 209324632, 235490211, 287821369, 313986948, 470980422, 575642738, 627973896, 863464107, 941960844, 1151285476, 1726928214, 1883921688, 2302570952, 2590392321, 3453856428, 5180784642, 6907712856, 10361569284, 20723138568]

約数ペア:

[(1, 20723138568), (2, 10361569284), (3, 6907712856), (4, 5180784642), (6, 3453856428), (8, 2590392321), (9, 2302570952), (11, 1883921688), (12, 1726928214), (18, 1151285476), (22, 941960844), (24, 863464107), (33, 627973896), (36, 575642738), (44, 470980422), (66, 313986948), (72, 287821369), (88, 235490211), (99, 209324632), (121, 171265608), (132, 156993474), (198, 104662316), (242, 85632804), (264, 78496737), (363, 57088536), (396, 52331158), (431, 48081528), (484, 42816402), (726, 28544268), (792, 26165579), (862, 24040764), (968, 21408201), (1089, 19029512), (1293, 16027176), (1452, 14272134), (1724, 12020382), (2178, 9514756), (2586, 8013588), (2904, 7136067), (3448, 6010191), (3879, 5342392), (4356, 4757378), (4741, 4371048), (5172, 4006794), (5519, 3754872), (7758, 2671196), (8712, 2378689), (9482, 2185524), (10344, 2003397), (11038, 1877436), (14223, 1457016), (15516, 1335598), (16557, 1251624), (18964, 1092762), (22076, 938718), (28446, 728508), (31032, 667799), (33114, 625812), (37928, 546381), (42669, 485672), (44152, 469359), (49671, 417208), (52151, 397368), (56892, 364254), (60709, 341352), (66228, 312906), (85338, 242836), (99342, 208604), (104302, 198684), (113784, 182127), (121418, 170676), (132456, 156453)]