20161744980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{63199}}^1$

素因数の和:63633

約数の個数: 96

約数和(自身を含む): 60945024000

約数和(自身を除く): 40783279020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 409, 780, 818, 1227, 1636, 2045, 2454, 4090, 4908, 5317, 6135, 8180, 10634, 12270, 15951, 21268, 24540, 26585, 31902, 53170, 63199, 63804, 79755, 106340, 126398, 159510, 189597, 252796, 315995, 319020, 379194, 631990, 758388, 821587, 947985, 1263980, 1643174, 1895970, 2464761, 3286348, 3791940, 4107935, 4929522, 8215870, 9859044, 12323805, 16431740, 24647610, 25848391, 49295220, 51696782, 77545173, 103393564, 129241955, 155090346, 258483910, 310180692, 336029083, 387725865, 516967820, 672058166, 775451730, 1008087249, 1344116332, 1550903460, 1680145415, 2016174498, 3360290830, 4032348996, 5040436245, 6720581660, 10080872490, 20161744980]

約数ペア:

[(1, 20161744980), (2, 10080872490), (3, 6720581660), (4, 5040436245), (5, 4032348996), (6, 3360290830), (10, 2016174498), (12, 1680145415), (13, 1550903460), (15, 1344116332), (20, 1008087249), (26, 775451730), (30, 672058166), (39, 516967820), (52, 387725865), (60, 336029083), (65, 310180692), (78, 258483910), (130, 155090346), (156, 129241955), (195, 103393564), (260, 77545173), (390, 51696782), (409, 49295220), (780, 25848391), (818, 24647610), (1227, 16431740), (1636, 12323805), (2045, 9859044), (2454, 8215870), (4090, 4929522), (4908, 4107935), (5317, 3791940), (6135, 3286348), (8180, 2464761), (10634, 1895970), (12270, 1643174), (15951, 1263980), (21268, 947985), (24540, 821587), (26585, 758388), (31902, 631990), (53170, 379194), (63199, 319020), (63804, 315995), (79755, 252796), (106340, 189597), (126398, 159510)]