20353590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 57316896

約数和(自身を除く): 36963306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 53, 85, 90, 102, 106, 153, 159, 170, 251, 255, 265, 306, 318, 477, 502, 510, 530, 753, 765, 795, 901, 954, 1255, 1506, 1530, 1590, 1802, 2259, 2385, 2510, 2703, 3765, 4267, 4505, 4518, 4770, 5406, 7530, 8109, 8534, 9010, 11295, 12801, 13303, 13515, 16218, 21335, 22590, 25602, 26606, 27030, 38403, 39909, 40545, 42670, 64005, 66515, 76806, 79818, 81090, 119727, 128010, 133030, 192015, 199545, 226151, 239454, 384030, 399090, 452302, 598635, 678453, 1130755, 1197270, 1356906, 2035359, 2261510, 3392265, 4070718, 6784530, 10176795, 20353590]

約数ペア:

[(1, 20353590), (2, 10176795), (3, 6784530), (5, 4070718), (6, 3392265), (9, 2261510), (10, 2035359), (15, 1356906), (17, 1197270), (18, 1130755), (30, 678453), (34, 598635), (45, 452302), (51, 399090), (53, 384030), (85, 239454), (90, 226151), (102, 199545), (106, 192015), (153, 133030), (159, 128010), (170, 119727), (251, 81090), (255, 79818), (265, 76806), (306, 66515), (318, 64005), (477, 42670), (502, 40545), (510, 39909), (530, 38403), (753, 27030), (765, 26606), (795, 25602), (901, 22590), (954, 21335), (1255, 16218), (1506, 13515), (1530, 13303), (1590, 12801), (1802, 11295), (2259, 9010), (2385, 8534), (2510, 8109), (2703, 7530), (3765, 5406), (4267, 4770), (4505, 4518)]