20514300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 64579200

約数和(自身を除く): 44064900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 59, 60, 61, 75, 76, 95, 100, 114, 118, 122, 150, 177, 183, 190, 228, 236, 244, 285, 295, 300, 305, 354, 366, 380, 475, 570, 590, 610, 708, 732, 885, 915, 950, 1121, 1140, 1159, 1180, 1220, 1425, 1475, 1525, 1770, 1830, 1900, 2242, 2318, 2850, 2950, 3050, 3363, 3477, 3540, 3599, 3660, 4425, 4484, 4575, 4636, 5605, 5700, 5795, 5900, 6100, 6726, 6954, 7198, 8850, 9150, 10797, 11210, 11590, 13452, 13908, 14396, 16815, 17385, 17700, 17995, 18300, 21594, 22420, 23180, 28025, 28975, 33630, 34770, 35990, 43188, 53985, 56050, 57950, 67260, 68381, 69540, 71980, 84075, 86925, 89975, 107970, 112100, 115900, 136762, 168150, 173850, 179950, 205143, 215940, 269925, 273524, 336300, 341905, 347700, 359900, 410286, 539850, 683810, 820572, 1025715, 1079700, 1367620, 1709525, 2051430, 3419050, 4102860, 5128575, 6838100, 10257150, 20514300]

約数ペア:

[(1, 20514300), (2, 10257150), (3, 6838100), (4, 5128575), (5, 4102860), (6, 3419050), (10, 2051430), (12, 1709525), (15, 1367620), (19, 1079700), (20, 1025715), (25, 820572), (30, 683810), (38, 539850), (50, 410286), (57, 359900), (59, 347700), (60, 341905), (61, 336300), (75, 273524), (76, 269925), (95, 215940), (100, 205143), (114, 179950), (118, 173850), (122, 168150), (150, 136762), (177, 115900), (183, 112100), (190, 107970), (228, 89975), (236, 86925), (244, 84075), (285, 71980), (295, 69540), (300, 68381), (305, 67260), (354, 57950), (366, 56050), (380, 53985), (475, 43188), (570, 35990), (590, 34770), (610, 33630), (708, 28975), (732, 28025), (885, 23180), (915, 22420), (950, 21594), (1121, 18300), (1140, 17995), (1159, 17700), (1180, 17385), (1220, 16815), (1425, 14396), (1475, 13908), (1525, 13452), (1770, 11590), (1830, 11210), (1900, 10797), (2242, 9150), (2318, 8850), (2850, 7198), (2950, 6954), (3050, 6726), (3363, 6100), (3477, 5900), (3540, 5795), (3599, 5700), (3660, 5605), (4425, 4636), (4484, 4575)]