20776479420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{24329}}^1$

素因数の和:24715

約数の個数: 96

約数和(自身を含む): 59709323520

約数和(自身を除く): 38932844100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 331, 430, 516, 645, 662, 860, 993, 1290, 1324, 1655, 1986, 2580, 3310, 3972, 4965, 6620, 9930, 14233, 19860, 24329, 28466, 42699, 48658, 56932, 71165, 72987, 85398, 97316, 121645, 142330, 145974, 170796, 213495, 243290, 284660, 291948, 364935, 426990, 486580, 729870, 853980, 1046147, 1459740, 2092294, 3138441, 4184588, 5230735, 6276882, 8052899, 10461470, 12553764, 15692205, 16105798, 20922940, 24158697, 31384410, 32211596, 40264495, 48317394, 62768820, 80528990, 96634788, 120793485, 161057980, 241586970, 346274657, 483173940, 692549314, 1038823971, 1385098628, 1731373285, 2077647942, 3462746570, 4155295884, 5194119855, 6925493140, 10388239710, 20776479420]

約数ペア:

[(1, 20776479420), (2, 10388239710), (3, 6925493140), (4, 5194119855), (5, 4155295884), (6, 3462746570), (10, 2077647942), (12, 1731373285), (15, 1385098628), (20, 1038823971), (30, 692549314), (43, 483173940), (60, 346274657), (86, 241586970), (129, 161057980), (172, 120793485), (215, 96634788), (258, 80528990), (331, 62768820), (430, 48317394), (516, 40264495), (645, 32211596), (662, 31384410), (860, 24158697), (993, 20922940), (1290, 16105798), (1324, 15692205), (1655, 12553764), (1986, 10461470), (2580, 8052899), (3310, 6276882), (3972, 5230735), (4965, 4184588), (6620, 3138441), (9930, 2092294), (14233, 1459740), (19860, 1046147), (24329, 853980), (28466, 729870), (42699, 486580), (48658, 426990), (56932, 364935), (71165, 291948), (72987, 284660), (85398, 243290), (97316, 213495), (121645, 170796), (142330, 145974)]