20105248900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1075147}}^1$

素因数の和:1075189

約数の個数: 72

約数和(自身を含む): 50394337056

約数和(自身を除く): 30289088156

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, 1700, 1870, 3740, 4675, 9350, 18700, 1075147, 2150294, 4300588, 5375735, 10751470, 11826617, 18277499, 21502940, 23653234, 26878675, 36554998, 47306468, 53757350, 59133085, 73109996, 91387495, 107514700, 118266170, 182774990, 201052489, 236532340, 295665425, 365549980, 402104978, 456937475, 591330850, 804209956, 913874950, 1005262445, 1182661700, 1827749900, 2010524890, 4021049780, 5026312225, 10052624450, 20105248900]

約数ペア:

[(1, 20105248900), (2, 10052624450), (4, 5026312225), (5, 4021049780), (10, 2010524890), (11, 1827749900), (17, 1182661700), (20, 1005262445), (22, 913874950), (25, 804209956), (34, 591330850), (44, 456937475), (50, 402104978), (55, 365549980), (68, 295665425), (85, 236532340), (100, 201052489), (110, 182774990), (170, 118266170), (187, 107514700), (220, 91387495), (275, 73109996), (340, 59133085), (374, 53757350), (425, 47306468), (550, 36554998), (748, 26878675), (850, 23653234), (935, 21502940), (1100, 18277499), (1700, 11826617), (1870, 10751470), (3740, 5375735), (4675, 4300588), (9350, 2150294), (18700, 1075147)]