20693850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 55442880

約数和(自身を除く): 34749030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 53, 57, 75, 95, 106, 114, 137, 150, 159, 190, 265, 274, 285, 318, 411, 475, 530, 570, 685, 795, 822, 950, 1007, 1325, 1370, 1425, 1590, 2014, 2055, 2603, 2650, 2850, 3021, 3425, 3975, 4110, 5035, 5206, 6042, 6850, 7261, 7809, 7950, 10070, 10275, 13015, 14522, 15105, 15618, 20550, 21783, 25175, 26030, 30210, 36305, 39045, 43566, 50350, 65075, 72610, 75525, 78090, 108915, 130150, 137959, 151050, 181525, 195225, 217830, 275918, 363050, 390450, 413877, 544575, 689795, 827754, 1089150, 1379590, 2069385, 3448975, 4138770, 6897950, 10346925, 20693850]

約数ペア:

[(1, 20693850), (2, 10346925), (3, 6897950), (5, 4138770), (6, 3448975), (10, 2069385), (15, 1379590), (19, 1089150), (25, 827754), (30, 689795), (38, 544575), (50, 413877), (53, 390450), (57, 363050), (75, 275918), (95, 217830), (106, 195225), (114, 181525), (137, 151050), (150, 137959), (159, 130150), (190, 108915), (265, 78090), (274, 75525), (285, 72610), (318, 65075), (411, 50350), (475, 43566), (530, 39045), (570, 36305), (685, 30210), (795, 26030), (822, 25175), (950, 21783), (1007, 20550), (1325, 15618), (1370, 15105), (1425, 14522), (1590, 13015), (2014, 10275), (2055, 10070), (2603, 7950), (2650, 7809), (2850, 7261), (3021, 6850), (3425, 6042), (3975, 5206), (4110, 5035)]