20804940286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 37057305600

約数和(自身を除く): 16252365314

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 73, 89, 137, 146, 178, 274, 377, 403, 754, 806, 899, 949, 1157, 1781, 1798, 1898, 2117, 2263, 2314, 2581, 2759, 3562, 3973, 4234, 4247, 4526, 5162, 5518, 6497, 7946, 8494, 10001, 11687, 12193, 12994, 20002, 23374, 24386, 27521, 29419, 33553, 35867, 51649, 55042, 55211, 58838, 65627, 67106, 71734, 80011, 84461, 103298, 110422, 123163, 130013, 131254, 158509, 160022, 168922, 188413, 201407, 246326, 260026, 290029, 310031, 317018, 353597, 376826, 377983, 402814, 580058, 620062, 707194, 755966, 853151, 890089, 1040143, 1601119, 1706302, 1780178, 2080286, 2449369, 2618291, 3202238, 3770377, 4030403, 4596761, 4898738, 4913779, 5236582, 5840803, 7540754, 8060806, 8990899, 9193522, 9827558, 10961507, 11571157, 11681606, 17981798, 21923014, 23142314, 25812581, 27592759, 51625162, 55185518, 75930439, 116881687, 142499591, 151860878, 233763374, 284999182, 335563553, 358705867, 671127106, 717411734, 800190011, 1600380022, 10402470143, 20804940286]

約数ペア:

[(1, 20804940286), (2, 10402470143), (13, 1600380022), (26, 800190011), (29, 717411734), (31, 671127106), (58, 358705867), (62, 335563553), (73, 284999182), (89, 233763374), (137, 151860878), (146, 142499591), (178, 116881687), (274, 75930439), (377, 55185518), (403, 51625162), (754, 27592759), (806, 25812581), (899, 23142314), (949, 21923014), (1157, 17981798), (1781, 11681606), (1798, 11571157), (1898, 10961507), (2117, 9827558), (2263, 9193522), (2314, 8990899), (2581, 8060806), (2759, 7540754), (3562, 5840803), (3973, 5236582), (4234, 4913779), (4247, 4898738), (4526, 4596761), (5162, 4030403), (5518, 3770377), (6497, 3202238), (7946, 2618291), (8494, 2449369), (10001, 2080286), (11687, 1780178), (12193, 1706302), (12994, 1601119), (20002, 1040143), (23374, 890089), (24386, 853151), (27521, 755966), (29419, 707194), (33553, 620062), (35867, 580058), (51649, 402814), (55042, 377983), (55211, 376826), (58838, 353597), (65627, 317018), (67106, 310031), (71734, 290029), (80011, 260026), (84461, 246326), (103298, 201407), (110422, 188413), (123163, 168922), (130013, 160022), (131254, 158509)]