20221520740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 46469150784

約数和(自身を除く): 26247630044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 83, 85, 122, 166, 170, 244, 289, 305, 332, 340, 415, 578, 610, 691, 830, 1037, 1156, 1220, 1382, 1411, 1445, 1660, 2074, 2764, 2822, 2890, 3455, 4148, 5063, 5185, 5644, 5780, 6910, 7055, 10126, 10370, 11747, 13820, 14110, 17629, 20252, 20740, 23494, 23987, 25315, 28220, 35258, 42151, 46988, 47974, 50630, 57353, 58735, 70516, 84302, 86071, 88145, 95948, 101260, 114706, 117470, 119935, 168604, 172142, 176290, 199699, 210755, 229412, 234940, 239870, 286765, 344284, 352580, 399398, 421510, 430355, 479740, 573530, 716567, 798796, 843020, 860710, 975001, 998495, 1147060, 1433134, 1463207, 1721420, 1950002, 1996990, 2866268, 2926414, 3498533, 3582835, 3900004, 3993980, 4875005, 5852828, 6997066, 7165670, 7316035, 9750010, 12181639, 13994132, 14331340, 14632070, 16575017, 17492665, 19500020, 24363278, 29264140, 33150034, 34985330, 48726556, 59475061, 60908195, 66300068, 69970660, 82875085, 118950122, 121816390, 165750170, 237900244, 243632780, 297375305, 331500340, 594750610, 1011076037, 1189501220, 2022152074, 4044304148, 5055380185, 10110760370, 20221520740]

約数ペア:

[(1, 20221520740), (2, 10110760370), (4, 5055380185), (5, 4044304148), (10, 2022152074), (17, 1189501220), (20, 1011076037), (34, 594750610), (61, 331500340), (68, 297375305), (83, 243632780), (85, 237900244), (122, 165750170), (166, 121816390), (170, 118950122), (244, 82875085), (289, 69970660), (305, 66300068), (332, 60908195), (340, 59475061), (415, 48726556), (578, 34985330), (610, 33150034), (691, 29264140), (830, 24363278), (1037, 19500020), (1156, 17492665), (1220, 16575017), (1382, 14632070), (1411, 14331340), (1445, 13994132), (1660, 12181639), (2074, 9750010), (2764, 7316035), (2822, 7165670), (2890, 6997066), (3455, 5852828), (4148, 4875005), (5063, 3993980), (5185, 3900004), (5644, 3582835), (5780, 3498533), (6910, 2926414), (7055, 2866268), (10126, 1996990), (10370, 1950002), (11747, 1721420), (13820, 1463207), (14110, 1433134), (17629, 1147060), (20252, 998495), (20740, 975001), (23494, 860710), (23987, 843020), (25315, 798796), (28220, 716567), (35258, 573530), (42151, 479740), (46988, 430355), (47974, 421510), (50630, 399398), (57353, 352580), (58735, 344284), (70516, 286765), (84302, 239870), (86071, 234940), (88145, 229412), (95948, 210755), (101260, 199699), (114706, 176290), (117470, 172142), (119935, 168604)]