2016996620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 4602987648

約数和(自身を除く): 2585991028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 173, 212, 265, 340, 346, 530, 647, 692, 865, 901, 1060, 1294, 1730, 1802, 2588, 2941, 3235, 3460, 3604, 4505, 5882, 6470, 9010, 9169, 10999, 11764, 12940, 14705, 18020, 18338, 21998, 29410, 34291, 36676, 43996, 45845, 54995, 58820, 68582, 91690, 109990, 111931, 137164, 155873, 171455, 183380, 219980, 223862, 311746, 342910, 447724, 559655, 582947, 623492, 685820, 779365, 1119310, 1165894, 1558730, 1902827, 2238620, 2331788, 2914735, 3117460, 3805654, 5829470, 5932343, 7611308, 9514135, 11658940, 11864686, 19028270, 23729372, 29661715, 38056540, 59323430, 100849831, 118646860, 201699662, 403399324, 504249155, 1008498310, 2016996620]

約数ペア:

[(1, 2016996620), (2, 1008498310), (4, 504249155), (5, 403399324), (10, 201699662), (17, 118646860), (20, 100849831), (34, 59323430), (53, 38056540), (68, 29661715), (85, 23729372), (106, 19028270), (170, 11864686), (173, 11658940), (212, 9514135), (265, 7611308), (340, 5932343), (346, 5829470), (530, 3805654), (647, 3117460), (692, 2914735), (865, 2331788), (901, 2238620), (1060, 1902827), (1294, 1558730), (1730, 1165894), (1802, 1119310), (2588, 779365), (2941, 685820), (3235, 623492), (3460, 582947), (3604, 559655), (4505, 447724), (5882, 342910), (6470, 311746), (9010, 223862), (9169, 219980), (10999, 183380), (11764, 171455), (12940, 155873), (14705, 137164), (18020, 111931), (18338, 109990), (21998, 91690), (29410, 68582), (34291, 58820), (36676, 54995), (43996, 45845)]