20197530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 57081024

約数和(自身を除く): 36883494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 43, 45, 51, 85, 86, 90, 102, 129, 153, 170, 215, 255, 258, 306, 307, 387, 430, 510, 614, 645, 731, 765, 774, 921, 1290, 1462, 1530, 1535, 1842, 1935, 2193, 2763, 3070, 3655, 3870, 4386, 4605, 5219, 5526, 6579, 7310, 9210, 10438, 10965, 13158, 13201, 13815, 15657, 21930, 26095, 26402, 27630, 31314, 32895, 39603, 46971, 52190, 65790, 66005, 78285, 79206, 93942, 118809, 132010, 156570, 198015, 224417, 234855, 237618, 396030, 448834, 469710, 594045, 673251, 1122085, 1188090, 1346502, 2019753, 2244170, 3366255, 4039506, 6732510, 10098765, 20197530]

約数ペア:

[(1, 20197530), (2, 10098765), (3, 6732510), (5, 4039506), (6, 3366255), (9, 2244170), (10, 2019753), (15, 1346502), (17, 1188090), (18, 1122085), (30, 673251), (34, 594045), (43, 469710), (45, 448834), (51, 396030), (85, 237618), (86, 234855), (90, 224417), (102, 198015), (129, 156570), (153, 132010), (170, 118809), (215, 93942), (255, 79206), (258, 78285), (306, 66005), (307, 65790), (387, 52190), (430, 46971), (510, 39603), (614, 32895), (645, 31314), (731, 27630), (765, 26402), (774, 26095), (921, 21930), (1290, 15657), (1462, 13815), (1530, 13201), (1535, 13158), (1842, 10965), (1935, 10438), (2193, 9210), (2763, 7310), (3070, 6579), (3655, 5526), (3870, 5219), (4386, 4605)]