20228959600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{174991}}^1$

素因数の和:175043

約数の個数: 90

約数和(自身を含む): 51627364784

約数和(自身を除く): 31398405184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 289, 340, 400, 425, 578, 680, 850, 1156, 1360, 1445, 1700, 2312, 2890, 3400, 4624, 5780, 6800, 7225, 11560, 14450, 23120, 28900, 57800, 115600, 174991, 349982, 699964, 874955, 1399928, 1749910, 2799856, 2974847, 3499820, 4374775, 5949694, 6999640, 8749550, 11899388, 13999280, 14874235, 17499100, 23798776, 29748470, 34998200, 47597552, 50572399, 59496940, 69996400, 74371175, 101144798, 118993880, 148742350, 202289596, 237987760, 252861995, 297484700, 404579192, 505723990, 594969400, 809158384, 1011447980, 1189938800, 1264309975, 2022895960, 2528619950, 4045791920, 5057239900, 10114479800, 20228959600]

約数ペア:

[(1, 20228959600), (2, 10114479800), (4, 5057239900), (5, 4045791920), (8, 2528619950), (10, 2022895960), (16, 1264309975), (17, 1189938800), (20, 1011447980), (25, 809158384), (34, 594969400), (40, 505723990), (50, 404579192), (68, 297484700), (80, 252861995), (85, 237987760), (100, 202289596), (136, 148742350), (170, 118993880), (200, 101144798), (272, 74371175), (289, 69996400), (340, 59496940), (400, 50572399), (425, 47597552), (578, 34998200), (680, 29748470), (850, 23798776), (1156, 17499100), (1360, 14874235), (1445, 13999280), (1700, 11899388), (2312, 8749550), (2890, 6999640), (3400, 5949694), (4624, 4374775), (5780, 3499820), (6800, 2974847), (7225, 2799856), (11560, 1749910), (14450, 1399928), (23120, 874955), (28900, 699964), (57800, 349982), (115600, 174991)]