19958908020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{8287}}^1$

素因数の和:8729

約数の個数: 96

約数和(自身を含む): 56491803648

約数和(自身を除く): 36532895628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 293, 411, 548, 586, 685, 822, 879, 1172, 1370, 1465, 1644, 1758, 2055, 2740, 2930, 3516, 4110, 4395, 5860, 8220, 8287, 8790, 16574, 17580, 24861, 33148, 40141, 41435, 49722, 80282, 82870, 99444, 120423, 124305, 160564, 165740, 200705, 240846, 248610, 401410, 481692, 497220, 602115, 802820, 1135319, 1204230, 2270638, 2408460, 2428091, 3405957, 4541276, 4856182, 5676595, 6811914, 7284273, 9712364, 11353190, 12140455, 13623828, 14568546, 17029785, 22706380, 24280910, 29137092, 34059570, 36421365, 48561820, 68119140, 72842730, 145685460, 332648467, 665296934, 997945401, 1330593868, 1663242335, 1995890802, 3326484670, 3991781604, 4989727005, 6652969340, 9979454010, 19958908020]

約数ペア:

[(1, 19958908020), (2, 9979454010), (3, 6652969340), (4, 4989727005), (5, 3991781604), (6, 3326484670), (10, 1995890802), (12, 1663242335), (15, 1330593868), (20, 997945401), (30, 665296934), (60, 332648467), (137, 145685460), (274, 72842730), (293, 68119140), (411, 48561820), (548, 36421365), (586, 34059570), (685, 29137092), (822, 24280910), (879, 22706380), (1172, 17029785), (1370, 14568546), (1465, 13623828), (1644, 12140455), (1758, 11353190), (2055, 9712364), (2740, 7284273), (2930, 6811914), (3516, 5676595), (4110, 4856182), (4395, 4541276), (5860, 3405957), (8220, 2428091), (8287, 2408460), (8790, 2270638), (16574, 1204230), (17580, 1135319), (24861, 802820), (33148, 602115), (40141, 497220), (41435, 481692), (49722, 401410), (80282, 248610), (82870, 240846), (99444, 200705), (120423, 165740), (124305, 160564)]