2020198440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1294999}}^1$

素因数の和:1295026

約数の個数: 64

約数和(自身を含む): 6526800000

約数和(自身を除く): 4506601560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1294999, 2589998, 3884997, 5179996, 6474995, 7769994, 10359992, 12949990, 15539988, 16834987, 19424985, 25899980, 31079976, 33669974, 38849970, 50504961, 51799960, 67339948, 77699940, 84174935, 101009922, 134679896, 155399880, 168349870, 202019844, 252524805, 336699740, 404039688, 505049610, 673399480, 1010099220, 2020198440]

約数ペア:

[(1, 2020198440), (2, 1010099220), (3, 673399480), (4, 505049610), (5, 404039688), (6, 336699740), (8, 252524805), (10, 202019844), (12, 168349870), (13, 155399880), (15, 134679896), (20, 101009922), (24, 84174935), (26, 77699940), (30, 67339948), (39, 51799960), (40, 50504961), (52, 38849970), (60, 33669974), (65, 31079976), (78, 25899980), (104, 19424985), (120, 16834987), (130, 15539988), (156, 12949990), (195, 10359992), (260, 7769994), (312, 6474995), (390, 5179996), (520, 3884997), (780, 2589998), (1560, 1294999)]