20921742716

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{7853}}^1$

素因数の和:8103

約数の個数: 96

約数和(自身を含む): 46075962240

約数和(自身を除く): 25154219524

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 116, 119, 193, 203, 238, 386, 406, 476, 493, 772, 812, 986, 1351, 1972, 2702, 3281, 3451, 5404, 5597, 6562, 6902, 7853, 11194, 13124, 13804, 15706, 22388, 22967, 31412, 39179, 45934, 54971, 78358, 91868, 95149, 109942, 133501, 156716, 190298, 219884, 227737, 267002, 380596, 455474, 534004, 666043, 910948, 934507, 1332086, 1515629, 1594159, 1869014, 2664172, 3031258, 3188318, 3738028, 3871529, 6062516, 6376636, 7743058, 10609403, 15486116, 21218806, 25765693, 27100703, 42437612, 43953241, 51531386, 54201406, 87906482, 103062772, 108402812, 175812964, 180359851, 307672687, 360719702, 615345374, 721439404, 747205097, 1230690748, 1494410194, 2988820388, 5230435679, 10460871358, 20921742716]

約数ペア:

[(1, 20921742716), (2, 10460871358), (4, 5230435679), (7, 2988820388), (14, 1494410194), (17, 1230690748), (28, 747205097), (29, 721439404), (34, 615345374), (58, 360719702), (68, 307672687), (116, 180359851), (119, 175812964), (193, 108402812), (203, 103062772), (238, 87906482), (386, 54201406), (406, 51531386), (476, 43953241), (493, 42437612), (772, 27100703), (812, 25765693), (986, 21218806), (1351, 15486116), (1972, 10609403), (2702, 7743058), (3281, 6376636), (3451, 6062516), (5404, 3871529), (5597, 3738028), (6562, 3188318), (6902, 3031258), (7853, 2664172), (11194, 1869014), (13124, 1594159), (13804, 1515629), (15706, 1332086), (22388, 934507), (22967, 910948), (31412, 666043), (39179, 534004), (45934, 455474), (54971, 380596), (78358, 267002), (91868, 227737), (95149, 219884), (109942, 190298), (133501, 156716)]