20184768396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{153487}}^1$

素因数の和:153791

約数の個数: 72

約数和(自身を含む): 55143326784

約数和(自身を除く): 34958558388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 281, 468, 562, 843, 1124, 1686, 2529, 3372, 3653, 5058, 7306, 10116, 10959, 14612, 21918, 32877, 43836, 65754, 131508, 153487, 306974, 460461, 613948, 920922, 1381383, 1841844, 1995331, 2762766, 3990662, 5525532, 5985993, 7981324, 11971986, 17957979, 23943972, 35915958, 43129847, 71831916, 86259694, 129389541, 172519388, 258779082, 388168623, 517558164, 560688011, 776337246, 1121376022, 1552674492, 1682064033, 2242752044, 3364128066, 5046192099, 6728256132, 10092384198, 20184768396]

約数ペア:

[(1, 20184768396), (2, 10092384198), (3, 6728256132), (4, 5046192099), (6, 3364128066), (9, 2242752044), (12, 1682064033), (13, 1552674492), (18, 1121376022), (26, 776337246), (36, 560688011), (39, 517558164), (52, 388168623), (78, 258779082), (117, 172519388), (156, 129389541), (234, 86259694), (281, 71831916), (468, 43129847), (562, 35915958), (843, 23943972), (1124, 17957979), (1686, 11971986), (2529, 7981324), (3372, 5985993), (3653, 5525532), (5058, 3990662), (7306, 2762766), (10116, 1995331), (10959, 1841844), (14612, 1381383), (21918, 920922), (32877, 613948), (43836, 460461), (65754, 306974), (131508, 153487)]