20912160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2330

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 48458400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2293, 3040, 4560, 4586, 6879, 9120, 9172, 11465, 13758, 18344, 22930, 27516, 34395, 36688, 43567, 45860, 55032, 68790, 73376, 87134, 91720, 110064, 130701, 137580, 174268, 183440, 217835, 220128, 261402, 275160, 348536, 366880, 435670, 522804, 550320, 653505, 697072, 871340, 1045608, 1100640, 1307010, 1394144, 1742680, 2091216, 2614020, 3485360, 4182432, 5228040, 6970720, 10456080, 20912160]

約数ペア:

[(1, 20912160), (2, 10456080), (3, 6970720), (4, 5228040), (5, 4182432), (6, 3485360), (8, 2614020), (10, 2091216), (12, 1742680), (15, 1394144), (16, 1307010), (19, 1100640), (20, 1045608), (24, 871340), (30, 697072), (32, 653505), (38, 550320), (40, 522804), (48, 435670), (57, 366880), (60, 348536), (76, 275160), (80, 261402), (95, 220128), (96, 217835), (114, 183440), (120, 174268), (152, 137580), (160, 130701), (190, 110064), (228, 91720), (240, 87134), (285, 73376), (304, 68790), (380, 55032), (456, 45860), (480, 43567), (570, 36688), (608, 34395), (760, 27516), (912, 22930), (1140, 18344), (1520, 13758), (1824, 11465), (2280, 9172), (2293, 9120), (3040, 6879), (4560, 4586)]