20163697840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1762561}}^1$

素因数の和:1762598

約数の個数: 80

約数和(自身を含む): 55076537376

約数和(自身を除く): 34912839536

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 1762561, 3525122, 7050244, 8812805, 14100488, 17625610, 19388171, 22913293, 28200976, 35251220, 38776342, 45826586, 70502440, 77552684, 91653172, 96940855, 114566465, 141004880, 155105368, 183306344, 193881710, 229132930, 252046223, 310210736, 366612688, 387763420, 458265860, 504092446, 775526840, 916531720, 1008184892, 1260231115, 1551053680, 1833063440, 2016369784, 2520462230, 4032739568, 5040924460, 10081848920, 20163697840]

約数ペア:

[(1, 20163697840), (2, 10081848920), (4, 5040924460), (5, 4032739568), (8, 2520462230), (10, 2016369784), (11, 1833063440), (13, 1551053680), (16, 1260231115), (20, 1008184892), (22, 916531720), (26, 775526840), (40, 504092446), (44, 458265860), (52, 387763420), (55, 366612688), (65, 310210736), (80, 252046223), (88, 229132930), (104, 193881710), (110, 183306344), (130, 155105368), (143, 141004880), (176, 114566465), (208, 96940855), (220, 91653172), (260, 77552684), (286, 70502440), (440, 45826586), (520, 38776342), (572, 35251220), (715, 28200976), (880, 22913293), (1040, 19388171), (1144, 17625610), (1430, 14100488), (2288, 8812805), (2860, 7050244), (5720, 3525122), (11440, 1762561)]