20781567382004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{11053061}}^1$

素因数の和:11053281

約数の個数: 96

約数和(自身を含む): 45234435173760

約数和(自身を除く): 24452867791756

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 173, 209, 247, 286, 346, 418, 494, 572, 692, 836, 988, 1903, 2249, 2717, 3287, 3806, 4498, 5434, 6574, 7612, 8996, 10868, 13148, 24739, 36157, 42731, 49478, 72314, 85462, 98956, 144628, 170924, 470041, 940082, 1880164, 11053061, 22106122, 44212244, 121583671, 143689793, 210008159, 243167342, 287379586, 420016318, 486334684, 574759172, 840032636, 1580587723, 1912179553, 2310089749, 2730106067, 3161175446, 3824359106, 4620179498, 5460212134, 6322350892, 7648718212, 9240358996, 10920424268, 21033975083, 24858334189, 30031166737, 36331411507, 42067950166, 49716668378, 60062333474, 72662823014, 84135900332, 99433336756, 120124666948, 145325646028, 273441676079, 399645526577, 472308349591, 546883352158, 799291053154, 944616699182, 1093766704316, 1598582106308, 1889233398364, 5195391845501, 10390783691002, 20781567382004]

約数ペア:

[(1, 20781567382004), (2, 10390783691002), (4, 5195391845501), (11, 1889233398364), (13, 1598582106308), (19, 1093766704316), (22, 944616699182), (26, 799291053154), (38, 546883352158), (44, 472308349591), (52, 399645526577), (76, 273441676079), (143, 145325646028), (173, 120124666948), (209, 99433336756), (247, 84135900332), (286, 72662823014), (346, 60062333474), (418, 49716668378), (494, 42067950166), (572, 36331411507), (692, 30031166737), (836, 24858334189), (988, 21033975083), (1903, 10920424268), (2249, 9240358996), (2717, 7648718212), (3287, 6322350892), (3806, 5460212134), (4498, 4620179498), (5434, 3824359106), (6574, 3161175446), (7612, 2730106067), (8996, 2310089749), (10868, 1912179553), (13148, 1580587723), (24739, 840032636), (36157, 574759172), (42731, 486334684), (49478, 420016318), (72314, 287379586), (85462, 243167342), (98956, 210008159), (144628, 143689793), (170924, 121583671), (470041, 44212244), (940082, 22106122), (1880164, 11053061)]