20021940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2713}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 62237448

約数和(自身を除く): 42215508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2713, 3690, 5426, 7380, 8139, 10852, 13565, 16278, 24417, 27130, 32556, 40695, 48834, 54260, 81390, 97668, 111233, 122085, 162780, 222466, 244170, 333699, 444932, 488340, 556165, 667398, 1001097, 1112330, 1334796, 1668495, 2002194, 2224660, 3336990, 4004388, 5005485, 6673980, 10010970, 20021940]

約数ペア:

[(1, 20021940), (2, 10010970), (3, 6673980), (4, 5005485), (5, 4004388), (6, 3336990), (9, 2224660), (10, 2002194), (12, 1668495), (15, 1334796), (18, 1112330), (20, 1001097), (30, 667398), (36, 556165), (41, 488340), (45, 444932), (60, 333699), (82, 244170), (90, 222466), (123, 162780), (164, 122085), (180, 111233), (205, 97668), (246, 81390), (369, 54260), (410, 48834), (492, 40695), (615, 32556), (738, 27130), (820, 24417), (1230, 16278), (1476, 13565), (1845, 10852), (2460, 8139), (2713, 7380), (3690, 5426)]