20072181900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{4637}}^1$

素因数の和:5008

約数の個数: 144

約数和(自身を含む): 59517190656

約数和(自身を除く): 39445008756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 150, 188, 235, 282, 300, 307, 470, 564, 614, 705, 921, 940, 1175, 1228, 1410, 1535, 1842, 2350, 2820, 3070, 3525, 3684, 4605, 4637, 4700, 6140, 7050, 7675, 9210, 9274, 13911, 14100, 14429, 15350, 18420, 18548, 23025, 23185, 27822, 28858, 30700, 43287, 46050, 46370, 55644, 57716, 69555, 72145, 86574, 92100, 92740, 115925, 139110, 144290, 173148, 216435, 217939, 231850, 278220, 288580, 347775, 360725, 432870, 435878, 463700, 653817, 695550, 721450, 865740, 871756, 1082175, 1089695, 1307634, 1391100, 1423559, 1442900, 2164350, 2179390, 2615268, 2847118, 3269085, 4270677, 4328700, 4358780, 5448475, 5694236, 6538170, 7117795, 8541354, 10896950, 13076340, 14235590, 16345425, 17082708, 21353385, 21793900, 28471180, 32690850, 35588975, 42706770, 65381700, 66907273, 71177950, 85413540, 106766925, 133814546, 142355900, 200721819, 213533850, 267629092, 334536365, 401443638, 427067700, 669072730, 802887276, 1003609095, 1338145460, 1672681825, 2007218190, 3345363650, 4014436380, 5018045475, 6690727300, 10036090950, 20072181900]

約数ペア:

[(1, 20072181900), (2, 10036090950), (3, 6690727300), (4, 5018045475), (5, 4014436380), (6, 3345363650), (10, 2007218190), (12, 1672681825), (15, 1338145460), (20, 1003609095), (25, 802887276), (30, 669072730), (47, 427067700), (50, 401443638), (60, 334536365), (75, 267629092), (94, 213533850), (100, 200721819), (141, 142355900), (150, 133814546), (188, 106766925), (235, 85413540), (282, 71177950), (300, 66907273), (307, 65381700), (470, 42706770), (564, 35588975), (614, 32690850), (705, 28471180), (921, 21793900), (940, 21353385), (1175, 17082708), (1228, 16345425), (1410, 14235590), (1535, 13076340), (1842, 10896950), (2350, 8541354), (2820, 7117795), (3070, 6538170), (3525, 5694236), (3684, 5448475), (4605, 4358780), (4637, 4328700), (4700, 4270677), (6140, 3269085), (7050, 2847118), (7675, 2615268), (9210, 2179390), (9274, 2164350), (13911, 1442900), (14100, 1423559), (14429, 1391100), (15350, 1307634), (18420, 1089695), (18548, 1082175), (23025, 871756), (23185, 865740), (27822, 721450), (28858, 695550), (30700, 653817), (43287, 463700), (46050, 435878), (46370, 432870), (55644, 360725), (57716, 347775), (69555, 288580), (72145, 278220), (86574, 231850), (92100, 217939), (92740, 216435), (115925, 173148), (139110, 144290)]