20553570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 56339712

約数和(自身を除く): 35786142

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 47, 86, 90, 94, 113, 129, 141, 215, 226, 235, 258, 282, 339, 387, 423, 430, 470, 565, 645, 678, 705, 774, 846, 1017, 1130, 1290, 1410, 1695, 1935, 2021, 2034, 2115, 3390, 3870, 4042, 4230, 4859, 5085, 5311, 6063, 9718, 10105, 10170, 10622, 12126, 14577, 15933, 18189, 20210, 24295, 26555, 29154, 30315, 31866, 36378, 43731, 47799, 48590, 53110, 60630, 72885, 79665, 87462, 90945, 95598, 145770, 159330, 181890, 218655, 228373, 238995, 437310, 456746, 477990, 685119, 1141865, 1370238, 2055357, 2283730, 3425595, 4110714, 6851190, 10276785, 20553570]

約数ペア:

[(1, 20553570), (2, 10276785), (3, 6851190), (5, 4110714), (6, 3425595), (9, 2283730), (10, 2055357), (15, 1370238), (18, 1141865), (30, 685119), (43, 477990), (45, 456746), (47, 437310), (86, 238995), (90, 228373), (94, 218655), (113, 181890), (129, 159330), (141, 145770), (215, 95598), (226, 90945), (235, 87462), (258, 79665), (282, 72885), (339, 60630), (387, 53110), (423, 48590), (430, 47799), (470, 43731), (565, 36378), (645, 31866), (678, 30315), (705, 29154), (774, 26555), (846, 24295), (1017, 20210), (1130, 18189), (1290, 15933), (1410, 14577), (1695, 12126), (1935, 10622), (2021, 10170), (2034, 10105), (2115, 9718), (3390, 6063), (3870, 5311), (4042, 5085), (4230, 4859)]