20212461990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{92459}}^1$

素因数の和:92826

約数の個数: 96

約数和(自身を含む): 60233621760

約数和(自身を除く): 40021159770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 347, 630, 694, 1041, 1735, 2082, 2429, 3123, 3470, 4858, 5205, 6246, 7287, 10410, 12145, 14574, 15615, 21861, 24290, 31230, 36435, 43722, 72870, 92459, 109305, 184918, 218610, 277377, 462295, 554754, 647213, 832131, 924590, 1294426, 1386885, 1664262, 1941639, 2773770, 3236065, 3883278, 4160655, 5824917, 6472130, 8321310, 9708195, 11649834, 19416390, 29124585, 32083273, 58249170, 64166546, 96249819, 160416365, 192499638, 224582911, 288749457, 320832730, 449165822, 481249095, 577498914, 673748733, 962498190, 1122914555, 1347497466, 1443747285, 2021246199, 2245829110, 2887494570, 3368743665, 4042492398, 6737487330, 10106230995, 20212461990]

約数ペア:

[(1, 20212461990), (2, 10106230995), (3, 6737487330), (5, 4042492398), (6, 3368743665), (7, 2887494570), (9, 2245829110), (10, 2021246199), (14, 1443747285), (15, 1347497466), (18, 1122914555), (21, 962498190), (30, 673748733), (35, 577498914), (42, 481249095), (45, 449165822), (63, 320832730), (70, 288749457), (90, 224582911), (105, 192499638), (126, 160416365), (210, 96249819), (315, 64166546), (347, 58249170), (630, 32083273), (694, 29124585), (1041, 19416390), (1735, 11649834), (2082, 9708195), (2429, 8321310), (3123, 6472130), (3470, 5824917), (4858, 4160655), (5205, 3883278), (6246, 3236065), (7287, 2773770), (10410, 1941639), (12145, 1664262), (14574, 1386885), (15615, 1294426), (21861, 924590), (24290, 832131), (31230, 647213), (36435, 554754), (43722, 462295), (72870, 277377), (92459, 218610), (109305, 184918)]