20187548178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{2207}}^1$

素因数の和:2816

約数の個数: 128

約数和(自身を含む): 51096158208

約数和(自身を除く): 30908610030

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 102, 119, 138, 161, 238, 322, 357, 391, 483, 557, 714, 782, 966, 1114, 1173, 1671, 2207, 2346, 2737, 3342, 3899, 4414, 5474, 6621, 7798, 8211, 9469, 11697, 12811, 13242, 15449, 16422, 18938, 23394, 25622, 28407, 30898, 37519, 38433, 46347, 50761, 56814, 66283, 75038, 76866, 89677, 92694, 101522, 112557, 132566, 152283, 179354, 198849, 217787, 225114, 262633, 269031, 304566, 355327, 397698, 435574, 525266, 538062, 653361, 710654, 787899, 862937, 1065981, 1229299, 1306722, 1524509, 1575798, 1725874, 2131962, 2458598, 2588811, 3049018, 3687897, 4573527, 5177622, 6040559, 7375794, 8605093, 9147054, 12081118, 17210186, 18121677, 20898083, 25815279, 28273877, 36243354, 41796166, 51630558, 56547754, 62694249, 84821631, 125388498, 146286581, 169643262, 197917139, 292573162, 395834278, 438859743, 480655909, 593751417, 877719486, 961311818, 1187502834, 1441967727, 2883935454, 3364591363, 6729182726, 10093774089, 20187548178]

約数ペア:

[(1, 20187548178), (2, 10093774089), (3, 6729182726), (6, 3364591363), (7, 2883935454), (14, 1441967727), (17, 1187502834), (21, 961311818), (23, 877719486), (34, 593751417), (42, 480655909), (46, 438859743), (51, 395834278), (69, 292573162), (102, 197917139), (119, 169643262), (138, 146286581), (161, 125388498), (238, 84821631), (322, 62694249), (357, 56547754), (391, 51630558), (483, 41796166), (557, 36243354), (714, 28273877), (782, 25815279), (966, 20898083), (1114, 18121677), (1173, 17210186), (1671, 12081118), (2207, 9147054), (2346, 8605093), (2737, 7375794), (3342, 6040559), (3899, 5177622), (4414, 4573527), (5474, 3687897), (6621, 3049018), (7798, 2588811), (8211, 2458598), (9469, 2131962), (11697, 1725874), (12811, 1575798), (13242, 1524509), (15449, 1306722), (16422, 1229299), (18938, 1065981), (23394, 862937), (25622, 787899), (28407, 710654), (30898, 653361), (37519, 538062), (38433, 525266), (46347, 435574), (50761, 397698), (56814, 355327), (66283, 304566), (75038, 269031), (76866, 262633), (89677, 225114), (92694, 217787), (101522, 198849), (112557, 179354), (132566, 152283)]