20859867820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{33049}}^1$

素因数の和:33239

約数の個数: 96

約数和(自身を含む): 50637888000

約数和(自身を除く): 29778020180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 151, 190, 209, 220, 302, 380, 418, 604, 755, 836, 1045, 1510, 1661, 2090, 2869, 3020, 3322, 4180, 5738, 6644, 8305, 11476, 14345, 16610, 28690, 31559, 33049, 33220, 57380, 63118, 66098, 126236, 132196, 157795, 165245, 315590, 330490, 363539, 627931, 631180, 660980, 727078, 1255862, 1454156, 1817695, 2511724, 3139655, 3635390, 4990399, 6279310, 6907241, 7270780, 9980798, 12558620, 13814482, 19961596, 24951995, 27628964, 34536205, 49903990, 54894389, 69072410, 94817581, 99807980, 109788778, 138144820, 189635162, 219577556, 274471945, 379270324, 474087905, 548943890, 948175810, 1042993391, 1097887780, 1896351620, 2085986782, 4171973564, 5214966955, 10429933910, 20859867820]

約数ペア:

[(1, 20859867820), (2, 10429933910), (4, 5214966955), (5, 4171973564), (10, 2085986782), (11, 1896351620), (19, 1097887780), (20, 1042993391), (22, 948175810), (38, 548943890), (44, 474087905), (55, 379270324), (76, 274471945), (95, 219577556), (110, 189635162), (151, 138144820), (190, 109788778), (209, 99807980), (220, 94817581), (302, 69072410), (380, 54894389), (418, 49903990), (604, 34536205), (755, 27628964), (836, 24951995), (1045, 19961596), (1510, 13814482), (1661, 12558620), (2090, 9980798), (2869, 7270780), (3020, 6907241), (3322, 6279310), (4180, 4990399), (5738, 3635390), (6644, 3139655), (8305, 2511724), (11476, 1817695), (14345, 1454156), (16610, 1255862), (28690, 727078), (31559, 660980), (33049, 631180), (33220, 627931), (57380, 363539), (63118, 330490), (66098, 315590), (126236, 165245), (132196, 157795)]