20163150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 63951264

約数和(自身を除く): 43788114

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 37, 42, 45, 50, 63, 70, 74, 75, 90, 105, 111, 126, 150, 173, 175, 185, 210, 222, 225, 259, 315, 333, 346, 350, 370, 450, 518, 519, 525, 555, 630, 666, 777, 865, 925, 1038, 1050, 1110, 1211, 1295, 1554, 1557, 1575, 1665, 1730, 1850, 2331, 2422, 2590, 2595, 2775, 3114, 3150, 3330, 3633, 3885, 4325, 4662, 5190, 5550, 6055, 6401, 6475, 7266, 7770, 7785, 8325, 8650, 10899, 11655, 12110, 12802, 12950, 12975, 15570, 16650, 18165, 19203, 19425, 21798, 23310, 25950, 30275, 32005, 36330, 38406, 38850, 38925, 44807, 54495, 57609, 58275, 60550, 64010, 77850, 89614, 90825, 96015, 108990, 115218, 116550, 134421, 160025, 181650, 192030, 224035, 268842, 272475, 288045, 320050, 403263, 448070, 480075, 544950, 576090, 672105, 806526, 960150, 1120175, 1344210, 1440225, 2016315, 2240350, 2880450, 3360525, 4032630, 6721050, 10081575, 20163150]

約数ペア:

[(1, 20163150), (2, 10081575), (3, 6721050), (5, 4032630), (6, 3360525), (7, 2880450), (9, 2240350), (10, 2016315), (14, 1440225), (15, 1344210), (18, 1120175), (21, 960150), (25, 806526), (30, 672105), (35, 576090), (37, 544950), (42, 480075), (45, 448070), (50, 403263), (63, 320050), (70, 288045), (74, 272475), (75, 268842), (90, 224035), (105, 192030), (111, 181650), (126, 160025), (150, 134421), (173, 116550), (175, 115218), (185, 108990), (210, 96015), (222, 90825), (225, 89614), (259, 77850), (315, 64010), (333, 60550), (346, 58275), (350, 57609), (370, 54495), (450, 44807), (518, 38925), (519, 38850), (525, 38406), (555, 36330), (630, 32005), (666, 30275), (777, 25950), (865, 23310), (925, 21798), (1038, 19425), (1050, 19203), (1110, 18165), (1211, 16650), (1295, 15570), (1554, 12975), (1557, 12950), (1575, 12802), (1665, 12110), (1730, 11655), (1850, 10899), (2331, 8650), (2422, 8325), (2590, 7785), (2595, 7770), (2775, 7266), (3114, 6475), (3150, 6401), (3330, 6055), (3633, 5550), (3885, 5190), (4325, 4662)]