20178026106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1164

約数の個数: 128

約数和(自身を含む): 49158144000

約数和(自身を除く): 28980117894

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 149, 223, 266, 298, 399, 446, 447, 669, 761, 798, 894, 1043, 1338, 1522, 1561, 2086, 2283, 2831, 3122, 3129, 4237, 4566, 4683, 5327, 5662, 6258, 8474, 8493, 9366, 10654, 12711, 14459, 15981, 16986, 19817, 25422, 28918, 29659, 31962, 33227, 39634, 43377, 59318, 59451, 66454, 86754, 88977, 99681, 101213, 113389, 118902, 169703, 177954, 199362, 202426, 226778, 232589, 303639, 339406, 340167, 465178, 509109, 607278, 631313, 680334, 697767, 793723, 1018218, 1187921, 1262626, 1395534, 1587446, 1893939, 2154391, 2375842, 2381169, 3224357, 3563763, 3787878, 4308782, 4419191, 4762338, 6448714, 6463173, 7127526, 8838382, 9673071, 12926346, 13257573, 15080737, 19346142, 22570499, 25285747, 26515146, 30161474, 45140998, 45242211, 50571494, 67711497, 75857241, 90484422, 135422994, 151714482, 177000229, 354000458, 480429193, 531000687, 960858386, 1062001374, 1441287579, 2882575158, 3363004351, 6726008702, 10089013053, 20178026106]

約数ペア:

[(1, 20178026106), (2, 10089013053), (3, 6726008702), (6, 3363004351), (7, 2882575158), (14, 1441287579), (19, 1062001374), (21, 960858386), (38, 531000687), (42, 480429193), (57, 354000458), (114, 177000229), (133, 151714482), (149, 135422994), (223, 90484422), (266, 75857241), (298, 67711497), (399, 50571494), (446, 45242211), (447, 45140998), (669, 30161474), (761, 26515146), (798, 25285747), (894, 22570499), (1043, 19346142), (1338, 15080737), (1522, 13257573), (1561, 12926346), (2086, 9673071), (2283, 8838382), (2831, 7127526), (3122, 6463173), (3129, 6448714), (4237, 4762338), (4566, 4419191), (4683, 4308782), (5327, 3787878), (5662, 3563763), (6258, 3224357), (8474, 2381169), (8493, 2375842), (9366, 2154391), (10654, 1893939), (12711, 1587446), (14459, 1395534), (15981, 1262626), (16986, 1187921), (19817, 1018218), (25422, 793723), (28918, 697767), (29659, 680334), (31962, 631313), (33227, 607278), (39634, 509109), (43377, 465178), (59318, 340167), (59451, 339406), (66454, 303639), (86754, 232589), (88977, 226778), (99681, 202426), (101213, 199362), (113389, 177954), (118902, 169703)]