20148435544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1511}}^1\times {\mathrm{2371}}^1$

素因数の和:3944

約数の個数: 64

約数和(自身を含む): 40885689600

約数和(自身を除く): 20737254056

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 1511, 2371, 2812, 3022, 4742, 5624, 6044, 9484, 12088, 18968, 28709, 45049, 55907, 57418, 87727, 90098, 111814, 114836, 175454, 180196, 223628, 229672, 350908, 360392, 447256, 701816, 1062233, 1666813, 2124466, 3333626, 3582581, 4248932, 6667252, 7165162, 8497864, 13334504, 14330324, 28660648, 68069039, 132555497, 136138078, 265110994, 272276156, 530221988, 544552312, 1060443976, 2518554443, 5037108886, 10074217772, 20148435544]

約数ペア:

[(1, 20148435544), (2, 10074217772), (4, 5037108886), (8, 2518554443), (19, 1060443976), (37, 544552312), (38, 530221988), (74, 272276156), (76, 265110994), (148, 136138078), (152, 132555497), (296, 68069039), (703, 28660648), (1406, 14330324), (1511, 13334504), (2371, 8497864), (2812, 7165162), (3022, 6667252), (4742, 4248932), (5624, 3582581), (6044, 3333626), (9484, 2124466), (12088, 1666813), (18968, 1062233), (28709, 701816), (45049, 447256), (55907, 360392), (57418, 350908), (87727, 229672), (90098, 223628), (111814, 180196), (114836, 175454)]