20225520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4013}}^1$

素因数の和:4039

約数の個数: 120

約数和(自身を含む): 77646816

約数和(自身を除く): 57421296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4013, 5040, 8026, 12039, 16052, 20065, 24078, 28091, 32104, 36117, 40130, 48156, 56182, 60195, 64208, 72234, 80260, 84273, 96312, 112364, 120390, 140455, 144468, 160520, 168546, 180585, 192624, 224728, 240780, 252819, 280910, 288936, 321040, 337092, 361170, 421365, 449456, 481560, 505638, 561820, 577872, 674184, 722340, 842730, 963120, 1011276, 1123640, 1264095, 1348368, 1444680, 1685460, 2022552, 2247280, 2528190, 2889360, 3370920, 4045104, 5056380, 6741840, 10112760, 20225520]

約数ペア:

[(1, 20225520), (2, 10112760), (3, 6741840), (4, 5056380), (5, 4045104), (6, 3370920), (7, 2889360), (8, 2528190), (9, 2247280), (10, 2022552), (12, 1685460), (14, 1444680), (15, 1348368), (16, 1264095), (18, 1123640), (20, 1011276), (21, 963120), (24, 842730), (28, 722340), (30, 674184), (35, 577872), (36, 561820), (40, 505638), (42, 481560), (45, 449456), (48, 421365), (56, 361170), (60, 337092), (63, 321040), (70, 288936), (72, 280910), (80, 252819), (84, 240780), (90, 224728), (105, 192624), (112, 180585), (120, 168546), (126, 160520), (140, 144468), (144, 140455), (168, 120390), (180, 112364), (210, 96312), (240, 84273), (252, 80260), (280, 72234), (315, 64208), (336, 60195), (360, 56182), (420, 48156), (504, 40130), (560, 36117), (630, 32104), (720, 28091), (840, 24078), (1008, 20065), (1260, 16052), (1680, 12039), (2520, 8026), (4013, 5040)]