20185730784

素因数分解:

$2^5\times 3^2\times {\mathrm{229}}^1\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1393

約数の個数: 144

約数和(自身を含む): 57870277920

約数和(自身を除く): 37684547136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 229, 288, 421, 458, 687, 727, 842, 916, 1263, 1374, 1454, 1684, 1832, 2061, 2181, 2526, 2748, 2908, 3368, 3664, 3789, 4122, 4362, 5052, 5496, 5816, 6543, 6736, 7328, 7578, 8244, 8724, 10104, 10992, 11632, 13086, 13472, 15156, 16488, 17448, 20208, 21984, 23264, 26172, 30312, 32976, 34896, 40416, 52344, 60624, 65952, 69792, 96409, 104688, 121248, 166483, 192818, 209376, 289227, 306067, 332966, 385636, 499449, 578454, 612134, 665932, 771272, 867681, 918201, 998898, 1156908, 1224268, 1331864, 1498347, 1542544, 1735362, 1836402, 1997796, 2313816, 2448536, 2663728, 2754603, 2996694, 3085088, 3470724, 3672804, 3995592, 4627632, 4897072, 5327456, 5509206, 5993388, 6941448, 7345608, 7991184, 9255264, 9794144, 11018412, 11986776, 13882896, 14691216, 15982368, 22036824, 23973552, 27765792, 29382432, 44073648, 47947104, 70089343, 88147296, 140178686, 210268029, 280357372, 420536058, 560714744, 630804087, 841072116, 1121429488, 1261608174, 1682144232, 2242858976, 2523216348, 3364288464, 5046432696, 6728576928, 10092865392, 20185730784]

約数ペア:

[(1, 20185730784), (2, 10092865392), (3, 6728576928), (4, 5046432696), (6, 3364288464), (8, 2523216348), (9, 2242858976), (12, 1682144232), (16, 1261608174), (18, 1121429488), (24, 841072116), (32, 630804087), (36, 560714744), (48, 420536058), (72, 280357372), (96, 210268029), (144, 140178686), (229, 88147296), (288, 70089343), (421, 47947104), (458, 44073648), (687, 29382432), (727, 27765792), (842, 23973552), (916, 22036824), (1263, 15982368), (1374, 14691216), (1454, 13882896), (1684, 11986776), (1832, 11018412), (2061, 9794144), (2181, 9255264), (2526, 7991184), (2748, 7345608), (2908, 6941448), (3368, 5993388), (3664, 5509206), (3789, 5327456), (4122, 4897072), (4362, 4627632), (5052, 3995592), (5496, 3672804), (5816, 3470724), (6543, 3085088), (6736, 2996694), (7328, 2754603), (7578, 2663728), (8244, 2448536), (8724, 2313816), (10104, 1997796), (10992, 1836402), (11632, 1735362), (13086, 1542544), (13472, 1498347), (15156, 1331864), (16488, 1224268), (17448, 1156908), (20208, 998898), (21984, 918201), (23264, 867681), (26172, 771272), (30312, 665932), (32976, 612134), (34896, 578454), (40416, 499449), (52344, 385636), (60624, 332966), (65952, 306067), (69792, 289227), (96409, 209376), (104688, 192818), (121248, 166483)]