20738300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 52027920

約数和(自身を除く): 31289620

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1109, 1700, 1870, 2218, 3740, 4436, 4675, 5545, 9350, 11090, 12199, 18700, 18853, 22180, 24398, 27725, 37706, 48796, 55450, 60995, 75412, 94265, 110900, 121990, 188530, 207383, 243980, 304975, 377060, 414766, 471325, 609950, 829532, 942650, 1036915, 1219900, 1885300, 2073830, 4147660, 5184575, 10369150, 20738300]

約数ペア:

[(1, 20738300), (2, 10369150), (4, 5184575), (5, 4147660), (10, 2073830), (11, 1885300), (17, 1219900), (20, 1036915), (22, 942650), (25, 829532), (34, 609950), (44, 471325), (50, 414766), (55, 377060), (68, 304975), (85, 243980), (100, 207383), (110, 188530), (170, 121990), (187, 110900), (220, 94265), (275, 75412), (340, 60995), (374, 55450), (425, 48796), (550, 37706), (748, 27725), (850, 24398), (935, 22180), (1100, 18853), (1109, 18700), (1700, 12199), (1870, 11090), (2218, 9350), (3740, 5545), (4436, 4675)]