20165401968

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1\times {\mathrm{13249}}^1$

素因数の和:14154

約数の個数: 80

約数和(自身を含む): 53568372000

約数和(自身を除く): 33402970032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 857, 888, 1714, 1776, 2571, 3428, 5142, 6856, 10284, 13249, 13712, 20568, 26498, 31709, 39747, 41136, 52996, 63418, 79494, 95127, 105992, 126836, 158988, 190254, 211984, 253672, 317976, 380508, 490213, 507344, 635952, 761016, 980426, 1470639, 1522032, 1960852, 2941278, 3921704, 5882556, 7843408, 11354393, 11765112, 22708786, 23530224, 34063179, 45417572, 68126358, 90835144, 136252716, 181670288, 272505432, 420112541, 545010864, 840225082, 1260337623, 1680450164, 2520675246, 3360900328, 5041350492, 6721800656, 10082700984, 20165401968]

約数ペア:

[(1, 20165401968), (2, 10082700984), (3, 6721800656), (4, 5041350492), (6, 3360900328), (8, 2520675246), (12, 1680450164), (16, 1260337623), (24, 840225082), (37, 545010864), (48, 420112541), (74, 272505432), (111, 181670288), (148, 136252716), (222, 90835144), (296, 68126358), (444, 45417572), (592, 34063179), (857, 23530224), (888, 22708786), (1714, 11765112), (1776, 11354393), (2571, 7843408), (3428, 5882556), (5142, 3921704), (6856, 2941278), (10284, 1960852), (13249, 1522032), (13712, 1470639), (20568, 980426), (26498, 761016), (31709, 635952), (39747, 507344), (41136, 490213), (52996, 380508), (63418, 317976), (79494, 253672), (95127, 211984), (105992, 190254), (126836, 158988)]