20199159720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{578441}}^1$

素因数の和:578555

約数の個数: 96

約数和(自身を含む): 66324159720

約数和(自身を除く): 46125000000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5820, 6984, 8730, 11640, 17460, 34920, 578441, 1156882, 1735323, 2313764, 2892205, 3470646, 4627528, 5205969, 5784410, 6941292, 8676615, 10411938, 11568820, 13882584, 17353230, 20823876, 23137640, 26029845, 34706460, 41647752, 52059690, 56108777, 69412920, 104119380, 112217554, 168326331, 208238760, 224435108, 280543885, 336652662, 448870216, 504978993, 561087770, 673305324, 841631655, 1009957986, 1122175540, 1346610648, 1683263310, 2019915972, 2244351080, 2524894965, 3366526620, 4039831944, 5049789930, 6733053240, 10099579860, 20199159720]

約数ペア:

[(1, 20199159720), (2, 10099579860), (3, 6733053240), (4, 5049789930), (5, 4039831944), (6, 3366526620), (8, 2524894965), (9, 2244351080), (10, 2019915972), (12, 1683263310), (15, 1346610648), (18, 1122175540), (20, 1009957986), (24, 841631655), (30, 673305324), (36, 561087770), (40, 504978993), (45, 448870216), (60, 336652662), (72, 280543885), (90, 224435108), (97, 208238760), (120, 168326331), (180, 112217554), (194, 104119380), (291, 69412920), (360, 56108777), (388, 52059690), (485, 41647752), (582, 34706460), (776, 26029845), (873, 23137640), (970, 20823876), (1164, 17353230), (1455, 13882584), (1746, 11568820), (1940, 10411938), (2328, 8676615), (2910, 6941292), (3492, 5784410), (3880, 5205969), (4365, 4627528), (5820, 3470646), (6984, 2892205), (8730, 2313764), (11640, 1735323), (17460, 1156882), (34920, 578441)]