20121581644

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1\times {\mathrm{797}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 36317937600

約数和(自身を除く): 16196355956

約数列:

[1, 2, 4, 41, 82, 164, 257, 514, 599, 797, 1028, 1198, 1594, 2396, 3188, 10537, 21074, 24559, 32677, 42148, 49118, 65354, 98236, 130708, 153943, 204829, 307886, 409658, 477403, 615772, 819316, 954806, 1909612, 6311663, 8397989, 12623326, 16795978, 19573523, 25246652, 33591956, 39147046, 78294092, 122692571, 245385142, 490770284, 5030395411, 10060790822, 20121581644]

約数ペア:

[(1, 20121581644), (2, 10060790822), (4, 5030395411), (41, 490770284), (82, 245385142), (164, 122692571), (257, 78294092), (514, 39147046), (599, 33591956), (797, 25246652), (1028, 19573523), (1198, 16795978), (1594, 12623326), (2396, 8397989), (3188, 6311663), (10537, 1909612), (21074, 954806), (24559, 819316), (32677, 615772), (42148, 477403), (49118, 409658), (65354, 307886), (98236, 204829), (130708, 153943)]