20194375340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{6143}}^1$

素因数の和:6423

約数の個数: 96

約数和(自身を含む): 45953187840

約数和(自身を除く): 25758812500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 211, 380, 410, 422, 779, 820, 844, 1055, 1558, 2110, 3116, 3895, 4009, 4220, 6143, 7790, 8018, 8651, 12286, 15580, 16036, 17302, 20045, 24572, 30715, 34604, 40090, 43255, 61430, 80180, 86510, 116717, 122860, 164369, 173020, 233434, 251863, 328738, 466868, 503726, 583585, 657476, 821845, 1007452, 1167170, 1259315, 1296173, 1643690, 2334340, 2518630, 2592346, 3287380, 4785397, 5037260, 5184692, 6480865, 9570794, 12961730, 19141588, 23926985, 24627287, 25923460, 47853970, 49254574, 53143093, 95707940, 98509148, 106286186, 123136435, 212572372, 246272870, 265715465, 492545740, 531430930, 1009718767, 1062861860, 2019437534, 4038875068, 5048593835, 10097187670, 20194375340]

約数ペア:

[(1, 20194375340), (2, 10097187670), (4, 5048593835), (5, 4038875068), (10, 2019437534), (19, 1062861860), (20, 1009718767), (38, 531430930), (41, 492545740), (76, 265715465), (82, 246272870), (95, 212572372), (164, 123136435), (190, 106286186), (205, 98509148), (211, 95707940), (380, 53143093), (410, 49254574), (422, 47853970), (779, 25923460), (820, 24627287), (844, 23926985), (1055, 19141588), (1558, 12961730), (2110, 9570794), (3116, 6480865), (3895, 5184692), (4009, 5037260), (4220, 4785397), (6143, 3287380), (7790, 2592346), (8018, 2518630), (8651, 2334340), (12286, 1643690), (15580, 1296173), (16036, 1259315), (17302, 1167170), (20045, 1007452), (24572, 821845), (30715, 657476), (34604, 583585), (40090, 503726), (43255, 466868), (61430, 328738), (80180, 251863), (86510, 233434), (116717, 173020), (122860, 164369)]