20456077818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:1012

約数の個数: 128

約数和(自身を含む): 47084986368

約数和(自身を除く): 26628908550

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 61, 62, 66, 93, 122, 183, 186, 251, 341, 366, 502, 653, 671, 682, 753, 1023, 1306, 1342, 1506, 1891, 1959, 2013, 2046, 2761, 3782, 3918, 4026, 5522, 5673, 7183, 7781, 8283, 11346, 14366, 15311, 15562, 16566, 20243, 20801, 21549, 23343, 30622, 39833, 40486, 41602, 43098, 45933, 46686, 60729, 62403, 79666, 85591, 91866, 119499, 121458, 124806, 163903, 168421, 171182, 222673, 238998, 256773, 327806, 336842, 438163, 445346, 474641, 491709, 505263, 513546, 668019, 876326, 949282, 983418, 1010526, 1234823, 1314489, 1336038, 1423923, 1802933, 2469646, 2628978, 2847846, 3605866, 3704469, 5080993, 5221051, 5408799, 7408938, 9998083, 10161986, 10442102, 10817598, 13583053, 15242979, 15663153, 19996166, 27166106, 29994249, 30485958, 31326306, 40749159, 55890923, 59988498, 81498318, 109978913, 111781846, 167672769, 219957826, 309940573, 329936739, 335345538, 619881146, 659873478, 929821719, 1859643438, 3409346303, 6818692606, 10228038909, 20456077818]

約数ペア:

[(1, 20456077818), (2, 10228038909), (3, 6818692606), (6, 3409346303), (11, 1859643438), (22, 929821719), (31, 659873478), (33, 619881146), (61, 335345538), (62, 329936739), (66, 309940573), (93, 219957826), (122, 167672769), (183, 111781846), (186, 109978913), (251, 81498318), (341, 59988498), (366, 55890923), (502, 40749159), (653, 31326306), (671, 30485958), (682, 29994249), (753, 27166106), (1023, 19996166), (1306, 15663153), (1342, 15242979), (1506, 13583053), (1891, 10817598), (1959, 10442102), (2013, 10161986), (2046, 9998083), (2761, 7408938), (3782, 5408799), (3918, 5221051), (4026, 5080993), (5522, 3704469), (5673, 3605866), (7183, 2847846), (7781, 2628978), (8283, 2469646), (11346, 1802933), (14366, 1423923), (15311, 1336038), (15562, 1314489), (16566, 1234823), (20243, 1010526), (20801, 983418), (21549, 949282), (23343, 876326), (30622, 668019), (39833, 513546), (40486, 505263), (41602, 491709), (43098, 474641), (45933, 445346), (46686, 438163), (60729, 336842), (62403, 327806), (79666, 256773), (85591, 238998), (91866, 222673), (119499, 171182), (121458, 168421), (124806, 163903)]