20131531784

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{22283}}^1$

素因数の和:22399

約数の個数: 128

約数和(自身を含む): 49866243840

約数和(自身を除く): 29734712056

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 73, 91, 104, 119, 136, 146, 182, 221, 238, 292, 364, 442, 476, 511, 584, 728, 884, 949, 952, 1022, 1241, 1547, 1768, 1898, 2044, 2482, 3094, 3796, 4088, 4964, 6188, 6643, 7592, 8687, 9928, 12376, 13286, 16133, 17374, 22283, 26572, 32266, 34748, 44566, 53144, 64532, 69496, 89132, 112931, 129064, 155981, 178264, 225862, 289679, 311962, 378811, 451724, 579358, 623924, 757622, 903448, 1158716, 1247848, 1515244, 1626659, 2027753, 2317432, 2651677, 3030488, 3253318, 4055506, 4924543, 5303354, 6506636, 8111012, 9849086, 10606708, 11386613, 13013272, 16222024, 19698172, 21146567, 21213416, 22773226, 27653203, 34471801, 39396344, 42293134, 45546452, 55306406, 68943602, 84586268, 91092904, 110612812, 137887204, 148025969, 169172536, 193572421, 221225624, 275774408, 296051938, 359491639, 387144842, 592103876, 718983278, 774289684, 1184207752, 1437966556, 1548579368, 2516441473, 2875933112, 5032882946, 10065765892, 20131531784]

約数ペア:

[(1, 20131531784), (2, 10065765892), (4, 5032882946), (7, 2875933112), (8, 2516441473), (13, 1548579368), (14, 1437966556), (17, 1184207752), (26, 774289684), (28, 718983278), (34, 592103876), (52, 387144842), (56, 359491639), (68, 296051938), (73, 275774408), (91, 221225624), (104, 193572421), (119, 169172536), (136, 148025969), (146, 137887204), (182, 110612812), (221, 91092904), (238, 84586268), (292, 68943602), (364, 55306406), (442, 45546452), (476, 42293134), (511, 39396344), (584, 34471801), (728, 27653203), (884, 22773226), (949, 21213416), (952, 21146567), (1022, 19698172), (1241, 16222024), (1547, 13013272), (1768, 11386613), (1898, 10606708), (2044, 9849086), (2482, 8111012), (3094, 6506636), (3796, 5303354), (4088, 4924543), (4964, 4055506), (6188, 3253318), (6643, 3030488), (7592, 2651677), (8687, 2317432), (9928, 2027753), (12376, 1626659), (13286, 1515244), (16133, 1247848), (17374, 1158716), (22283, 903448), (26572, 757622), (32266, 623924), (34748, 579358), (44566, 451724), (53144, 378811), (64532, 311962), (69496, 289679), (89132, 225862), (112931, 178264), (129064, 155981)]